diff toolboxes/FullBNT-1.0.7/bnt/inference/static/@jtree_inf_engine/collect_evidence.m @ 0:e9a9cd732c1e tip

first hg version after svn

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolboxes/FullBNT-1.0.7/bnt/inference/static/@jtree_inf_engine/collect_evidence.m	Tue Feb 10 15:05:51 2015 +0000
@@ -0,0 +1,12 @@
+function [clpot, seppot] = collect_evidence(engine, clpot, seppot)
+% COLLECT_EVIDENCE Do message passing from leaves to root (children then parents)
+% [clpot, seppot] = collect_evidence(engine, clpot, seppot)
+
+for n=engine.postorder %postorder(1:end-1)
+  for p=engine.postorder_parents{n}
+    %clpot{p} = divide_by_pot(clpot{n}, seppot{p,n}); % dividing by 1 is redundant
+    seppot{p,n} = marginalize_pot(clpot{n}, engine.separator{p,n}, engine.maximize);
+    clpot{p} = multiply_by_pot(clpot{p}, seppot{p,n});
+  end
+end
+